4 version history for ferm
6 Max Kellermann <max@foo-projects.org>
7 Auke Kok <sofar@foo-projects.org>
10 v2.0.10 - not yet released
11 - new functions @basename, @dirname
12 - add automatic variable $FILEBNAME
13 - updated netfilter modules:
14 * pkg-type: support negation
18 - updated netfilter modules:
19 * state: support negation
20 * icmp: translate "icmp-type" to "icmpv6-type" in domain "ip6"
21 - add functions @cat, @substr, @length
22 - subchain names can now be expanded
23 - import-ferm: support empty string parameters
27 - added automatic variable $DIRNAME
28 - implement confirmation/rollback for --shell --interactive
29 - added the "type" parameter to @resolve()
30 - new functions @eq, @ne, @not
31 - updated netfilter modules:
32 * ebtables/snat: support --snat-arp
33 - add parameter --timeout for rollback
37 - fix post and flush hooks with --lines
38 - always prefix the negation operator
39 - updated netfilter modules:
40 * addrtype: support negation and --limit-iface-{in,out}
41 * conntrack: support negation and --ctdir
42 * owner: support negation and --socket-exists
43 * policy: support negation
47 - support negation in mark/connmark
48 - support negation in set
49 - added automatic variable $FILENAME
50 - allow @subchain as the first keyword in a closure
51 - don't allow semicolon after empty rule
52 - enable @include to run a program
53 - removed superfluous tokens from error message
54 - create a new stack frame for @subchain (fixes $CHAIN)
58 - detect double negation
59 - improved detection of negated arrays
60 - ignore dpkg's backup/temporary files on @include
61 - renamed "hook" to "@hook"
62 - disable "pre" and "post" hooks with --flush
67 - enable policy-only domains (no rules, just policy declarations)
68 - don't list custom chains in --flush --fast mode
72 - create chains and subchains even if they are empty
73 - fix includes within a rule ("Missing semicolon...")
74 - fix subchain in include ("Died at [...] line 1493")
75 - "protocol" is an alias for "proto", to fix the keyword conflict with
80 - allow duplicate specification of "table" and "chain", for better
81 1.3.x compatibility. Support for this will be removed in a later
82 release. This does not apply to "domain".
86 - generate "COMMIT" lines when flushing in fast mode
87 - don't hard-code the path of iptables-save
88 - install manpages in PREFIX/share/man
92 - don't hard code built-in match modules
93 - support for arptables and ebtables
94 - removed support for deprecated ferm 1.1 syntax
95 - removed the "set" and the "option" keyword
96 - removed support for array-in-string
97 - cleared the deprecated keyword translation table
98 - removed TOS parameter shortcuts
99 - don't default to policy if no action is specified
100 - don't allow lower case built-in chain or policy names
101 - removed --automod, --use, --clearall, --flushall, --flushchains,
102 --createchains, --location, --debug, --verbose
103 - comma in array is forbidden
104 - removed "source" and "destination" as prefix for "addr" and "port"
105 - don't allow match rules before and after "policy"
106 - removed support for deprecated netfilter modules
110 - rewrote the internal rule storage
111 - honor the order of match modules
112 - import-ferm rewrite
113 - use module data from ferm
114 - write policy in chain block
115 - do not generate implicit protocol modules
116 - do not allow targets options after "jump"
117 - fixed rollback when there is no iptables-save
118 - enable fast mode by default, can be disabled with --slow
122 - don't ignore unknown keywords after target (reported by Kai
124 - don't include hidden files (reported by Florian Reitmeir)
128 - fixed single quote escaping
129 - escape empty strings
130 - reset module list after semicolon handler (reported by Ralph Oesker)
131 - import-ferm: ignore the position of the negation marker; this allows us
132 to parse invalid save files generated by iptables-save (reported by
134 - fixed REDIRECT example in the manual
138 - updated netfilter modules:
139 * recent: support --rsource, --rdest
140 * time: support --monthday, --weekdays, --utc, --localtz
141 * u32: suport negated --u3
142 * DNAT: support --random
143 * MARK: support --set-xmark, --and-mark, --or-mark, --xor-mark
144 * MASQUERADE: support --random
145 * REDIRECT: support --random
146 * SNAT: support --random
147 * TOS: support --and-tos, --or-tos, --xor-tos
148 - check if chain was specified before @subchain
149 - suppress "not declared" warnings on empty custom chains
153 - bugfix: emit "--proto" instead of "--protocol" for xt_policy "proto"
154 - bugfix: handle array after DNAT/to-destination correctly
155 - target options cannot have arrays by default
156 - support netfilter modules:
159 - support netfilter targets:
160 * CLASSIFY (documentation)
163 * SAME (--random, documentation)
167 - require IO::Handle, this fixes the interactive mode
168 - configure test mode properly when running on microperl
172 - reserve tokens starting with "@" as ferm keywords
173 - implemented conditionals with @if/@else
174 - added @include/@def/@subchain as alias to include/def/subchain
175 - redirect STDOUT into STDERR --shell mode; this way, iptables warnings
176 are separated from the ferm shell script output
177 - microperl compatiblity:
178 - don't require strict.pm / vars.pm
180 - added simple Getopt::Long emulation
181 - look for iptables in PATH
182 - added function @resolve which resolves host names to IPv4 addresses
183 - import-ferm supports ip6tables-save files
184 - support "proto icmp" in the ip6 domain
185 - make "goto" deprecated to remap it to "--goto" later
186 - implemented "--goto" support, keyword is "realgoto"
187 - don't default to policy if rule action is missing
188 - support protocol modules
190 * udplite (sport, dport, mod multiport)
191 - support netfilter modules:
195 - support netfilter targets:
198 - abort when there is an unrecognized command line option (reported by
200 - import-ferm: don't generate NOP action before a block
201 - import-ferm: quote array values
202 - quote the ampersand
206 - make --flush do something in fast mode (reported by Hans-Georg Bork)
207 - fix automatic protocol modules when used in an expanded array
208 (reported by Ralph Oesker)
212 - support netfilter modules:
214 * ipset (patch by Martin Schuster)
215 - ignore empty lines in backticks result (reported by Martin Klozik)
216 - the match module for protocol "icmpv6" is named "icmp6"
217 - implemented basic hooks (suggested by Joerg Jaspert)
223 - subchains may be named
224 - don't copy module references to subchain (patch by Alex Metelka)
225 - override variables on the command line with "--def"
226 - auto-load modules only when their parameters are used
228 * targets MIRROR, NETMAP, NFQUEUE, NOTRACK, QUEUE
233 * warn against using iptables 1.2 with import-ferm
234 * extended the transition section in the manpage
235 - support netfilter modules: account
236 - bugfix: don't clear variable value when used as parameter in
237 multiport/destination-ports (reported by Bill Goudie)
241 - bugfix: reset domains after all rules were parsed and don't forget to
242 reset a table; this bug only affects users who run ferm on a remote
244 - reset policy on all guessed built-in chains if no authoritative
245 information about built-in chains is available
246 - support netfilter modules: condition, fuzzy, hbh, hl, ipv6header, rt,
248 - extended module support
249 * ah now supports the IPv6 options
250 - added missing documentation
252 * match modules: dst, eui64, frag
253 - disabled array after ttl-lt, ttl-gt
254 - allow "length", "physdev", "tos" negation
255 - translate sports, dports to source-ports, destination-ports in import-ferm
256 - added the "--remote" option
260 - import-ferm runs iptables-save if no input file is provided
263 v1.2beta2 - 9 Sep 2006
265 - added --shell which generates a shell script
266 - don't check available netfilter modules
267 - read iptables-save in initialize_netfilter()
268 - option --location is deprecated, ferm now calls /sbin/iptables
269 - whitespace fix in import-ferm
270 - allow late chain/table specification again
271 - set a second alarm in the confirmation dialog
272 - enable rollback feature even in non-interactive mode
275 v1.2beta1 - 28 Aug 2006
277 - removed support for ipfwadm and ipchains
278 - get a list of netfilter table names from /proc/net/ip_tables_names
279 - error messages go to STDERR
280 - full support for the match extensions: recent, comment, conntrack,
281 addrtype, ah, owner, time, dscp, ecn, helper, iprange, iplimit, length,
282 multiport, physdev, policy, realm, tcpmss, dst, frag
283 - full support for the targets: BALANCE, CLASSIFY, CONNMARK, NETMAP, ROUTE,
284 SNAT, TARPIT, NFQUEUE, SAME, DSCP
285 - support the protocols: dccp, sctp
286 - implemented variables and functions with 'def'
287 * variables and functions are local to their containing block
288 - stricter syntax checks, e.g.:
289 * some built-in targets must be uppercase
290 * only one target is allowed
291 * target parameters are only recognized after the target name, protocol
292 parameters only after the protocol match etc.
293 * referenced variables must exist
294 * list item negation is not possible
295 * only ACCEPT and DROP are allowed as policy
296 * tables and chains must be specified first
298 * using a policy as default target for a rule
299 * target MASQ, use MASQUERADE instead
300 * lower-case built-in chain names and targets
301 * lists must be specified with parantheses and no commas (old syntax
302 is deprecated, but still supported)
303 * variables declared with 'set' and referenced with '%NAME'
304 * many shortcuts like 'mac' and 'tosrc'
305 * shortcuts without the dash like 'tcpflags' ('tcp-flags')
306 * "option iptables"; only iptables is supported
309 * policy within a rule declaration
310 - fixed the double-module bug
311 - show filename and line number in error message
312 - implemented the 'include' command
313 - more shortcuts for command line options
314 - better set-tos parameter parser
315 - reimplemented backticks
316 - reimplemented tokenizer and parser
317 - escape shell parameters
318 - warn about unused custom chains
320 - options --clearall, --createchains are implied and deprecated
321 - options --debug and --verbose are deprecated
322 - reset all policies to ACCEPT
323 - variables expansion happens within double quotes
324 - implemented automatic variables: $TABLE, $CHAIN
325 - IPv6/ip6tables support
327 - print line number when iptables reports an error
328 - write error messages to STDERR
329 - replaced the old samples with new ones
330 - check which match and target modules are available
331 - generate output iptables-save format when --fast is specified
332 - semi-automatic sub chains with the 'subchain' keyword
333 - support tcp-flags negation
334 - added interactive mode
338 - Removed 'mark' as possible target due to nameclash
339 - Fixed typo in tos values with missing space
340 - Added support for shell escapes
341 - Updated manual page
342 - Fixed bug with ! before variable lists
343 - Added support for multiple variables inside a value
344 - Changed variable character from '$' to '%' to allow system variables
345 - Split up the pod stuff from the ferm source
346 - Fixed word splitter to more a serious approach
347 - Removed internal proxy variable, replaced with 'to' and 'toports' for clearity
348 - Removed the 'relaxed' option, for it wasn't used at it's potential (once)
349 - Added location option for the meek
350 - Have ferm prescan input to look for the kernel program and location
351 - Modified $(DOCDIR) to /usr/share/doc/ferm
352 - Added debug (--debug or -d) parameter for even more output
353 - Added --length,ttl, ttl[set|inc|dec] and ttl-[eq|lt|gt],
354 --[every|counter|start|packet], --average, --pkt-type, --string
355 --time[start|stop] and --days, ip-limit-[above|mask]
356 --psd-[weight-threshold|delay-threshold|[lo|hi]-ports-weight]
357 --to-[source|ports|destination], --set-ftos
358 - Added BALANCE, FTOS, SAME, TCPMSS targets and more
359 - Fixed bug on log/goto combination (missing space) -debian bugs
360 - Allow lists in set statements -debian bugs
361 - Added several patches from misc sources (thanks everyone)
362 - Cleaned up order of builtin targets (now alphabetically ordered)
365 v1.0pl8 - 13 july 2001
366 - Fixed nonexistent parameter values for log-[ip|tcp]-...
367 - Made keyword pattern matching strict, better for finding typo's
368 - Added NOP action (for match-counting)
369 - Added option automodule for automaticly loading correct modules
370 - Fixed -m for mark in iptables mixo
371 - Fixed relaxed matching tos values, still relaxed now though
372 - Fixed mark missing as normal target
373 - Added variable support
374 - Updated manual page partly
377 v1.0pl7 - 21 may 2001
378 - Added support for multiple modules
381 v1.0pl6 - 19 may 2001
382 - Fixed wrongly flushing of chains
383 - Fixed bug which infected policies already set
384 - Updated manual to distinguish between 'log' and 'LOG'
385 - Fixed lower case mismatching targets due to faulty
386 substring expression matching
389 v1.0pl5 - 16 may 2001
390 - Fixed policy keyword bug
391 - Added consistency check for missing semicolons before
393 - Fixed flushall target for multiple tables
394 - Reworked policy system to allow multiple policy settings for
396 - Changed syntax to allow "--state A,B", adapted "--tcp-flags"
397 syntax to do exactly the same (see manual)
400 v1.0pl4 - 11 may 2001
401 - Fixed order of TOS targets/params for iptables
402 - Added correct flushing in combination with policy-setting only
403 - Stripped trailing spaces on rule
404 - Fixed a small grammar error in description
405 - Removed SNAT and DNAT as valid policy targets
406 - Added QUEUE, MARK, MIRROR and RETURN as valid (policy) targets
407 - Added PRE/POSTROUTING chains as valid for policy
408 - Added set-mark parameter, moved 'mark' in ipchains to 'setmark'
409 - Added MASQUERADE <port/range> syntax for iptables
413 - Fixed DENY rule appearing uncapitalized
417 - Added support for SNAT and DNAT targets
418 - Added support for the tcp-flags option
422 - Fixed redirection to host vs port in iptables section
423 - Fixed chain clearing in all tables
424 - Switched to Makefiles for install & uninstall script
428 - Fixed iptables addr/port combination errors (iptables lacks
429 ipchains shorthand method for this)
430 - Removed 'reverse' for iptables (misses capability)
431 - Added filter and nat cleaning for 'clearall' option
432 - Major update on chain-administration in iptables
435 v0.0.18 - 18 Apr 2001
436 - Fixed two minor bugs (typo/parm ordering)
437 - Added ttl-* options for iptables
438 - Fixed log-tcp-*, which don't want parameters
439 - Return of default kernel program, now checked for at first rule
440 generation moment. Default is ipchains (again)
441 - Added PRE- and POSTROUTING targets for iptables
444 v0.0.17 - 19 Feb 2001
445 - Added better literal string handling enclosed in quotes
446 - Added "module" parameter for iptables
447 - Added "LOG" target for iptables, the "log" option still works
448 the old way, so "proto tcp log ACCEPT;" works fine
449 - Fixed table parameter in clearing/policy/creation of chains
450 - Added a special iptables example
451 - Added support for "! syn" and "! fragment" syntax
452 - Fixed fragment parameter bug
455 v0.0.16 - 12 Feb 2001
456 - Fixed default ipchains option- removed the default kernel
458 - Fixed 5 iptables/ipchains copy-paste typo's
462 - Added possibility of "" parameters including spaces and special
463 characters, handy for 'log-prefix'
464 - Fixed minor 'rejectt' bug
465 - Added a realistic ferm config example
466 - Fixed iptables log error (Klaus Lichtenwalder)
469 v0.0.14 - 28 Jan 2001
470 - Fixed tos and set-tos parameter switches for iptables
471 - Added install script
472 - Updated manual page to reflect changes in 0.0.13
473 - Fixed flushing/clearing in iptables
476 v0.0.13 - 10 Jan 2001
477 - Improved iptables support: the following parameters:
478 * table, out-interface, tcp-option, mac-source, limit, limit-burst,
479 all owner-parameters, state, logging options, reject-with
480 - Changed 'tos' into 'settos' to allow 'tos' matching in iptables
481 - Implemented the ! operator, partly by John Auer
485 - Fixed an incredibly stupid bug created in 0.0.11
489 - Fixed a lot of silly bugs with the policy system (uc/lc, wrong
495 - Policy can now be specified as a single statement, like
496 "chain input policy ACCEPT;", allowing policies to be
497 shut down and opened in the process of loading
498 - Added the 'reverse' option
499 - Fixed fqdn specification (Yannick Le Briquer)
500 - Package contains man page in html
504 - REDIRECT option corrected, you can now specify the port number
505 that you are redirecting to (D. Bidwell)
506 - Added basic iptables support
507 - fixed typo error between 's' and 'd' for portspec
508 - Updated manual page
512 - initial release, features: